The film was part of the line-up at Japanese Canadian Film Festival in Toronto in 2018.
Kamakura used to be a kind of capital city in Japan. There are many stories and legends connected to this area.
The train that often appears is the Enoden. It is a famous train in Japan. It goes from Kamakura station to Fujisawa.
Yomi-no-kuni is the land of the dead in Japanese mythology.
The name of one of the detectives is Mr. Inari. Inari is the Shinto deity often associated with foxes hence the fact that Mr. Inari transformed his nose into a foxes nose to go on the scent of Akiko.